Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with an LCD Display, a Piezo Buzzer, a Grove EMG Sensor, and a few passive components like resistors and a rocker switch. The circuit is powered by a 9V battery connected through a power jack. The Arduino UNO reads the EMG sensor data and can display information on the LCD. The Piezo Buzzer can be used for audio feedback.

Component List

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

LCD Display (16 pin)

• Description: A 16x2 character LCD display.
• Pins: VSS, VDD, VO, RS, R_W, E, DB0, DB1, DB2, DB3, DB4, DB5, DB6, DB7, A, K

Resistor (220 Ohms)

• Description: A resistor with a resistance of 220 Ohms.
• Pins: pin1, pin2

Resistor (100 Ohms)

• Description: A resistor with a resistance of 100 Ohms.
• Pins: pin1, pin2

Piezo Buzzer

• Description: A piezoelectric buzzer for audio output.
• Pins: pin 1, pin 2

Rocker Switch

• Description: A simple on/off switch.
• Pins: 1, 2

9V Battery

• Description: A 9V battery for power supply.
• Pins: -, +

Power Jack

• Description: A power jack for connecting the 9V battery.
• Pins: POSITIF, NEGATIF

Grove EMG Sensor

• Description: An EMG sensor for measuring muscle activity.
• Pins: GND, VCC, NC, VOUT

Wiring Details

Arduino UNO

• A0: Connected to VOUT of Grove EMG Sensor
• GND: Connected to GND of Piezo Buzzer, LCD Display (VSS, VO, R_W, K), and Grove EMG Sensor
• D7: Connected to pin2 of 100 Ohms Resistor
• 5V: Connected to VDD of LCD Display, pin2 of 220 Ohms Resistor, and VCC of Grove EMG Sensor
• D4: Connected to RS of LCD Display
• D5: Connected to E of LCD Display
• D8: Connected to DB4 of LCD Display
• D9: Connected to DB5 of LCD Display
• D10: Connected to DB6 of LCD Display
• D11: Connected to DB7 of LCD Display

LCD Display (16 pin)

• VSS: Connected to GND of Arduino UNO
• VDD: Connected to 5V of Arduino UNO and pin2 of 220 Ohms Resistor
• VO: Connected to GND of Arduino UNO
• RS: Connected to D4 of Arduino UNO
• R_W: Connected to GND of Arduino UNO
• E: Connected to D5 of Arduino UNO
• DB4: Connected to D8 of Arduino UNO
• DB5: Connected to D9 of Arduino UNO
• DB6: Connected to D10 of Arduino UNO
• DB7: Connected to D11 of Arduino UNO
• A: Connected to pin1 of 220 Ohms Resistor
• K: Connected to GND of Arduino UNO

Resistor (220 Ohms)

• pin1: Connected to A of LCD Display
• pin2: Connected to 5V of Arduino UNO and VDD of LCD Display

Resistor (100 Ohms)

• pin1: Connected to pin1 of Piezo Buzzer
• pin2: Connected to D7 of Arduino UNO

Piezo Buzzer

• pin 1: Connected to pin1 of 100 Ohms Resistor
• pin 2: Connected to GND of Arduino UNO

Rocker Switch

• Pin 1: Connected to + of 9V Battery
• Pin 2: Connected to POSITIF of Power Jack

9V Battery

• +: Connected to pin1 of Rocker Switch
• -: Connected to NEGATIF of Power Jack

Power Jack

• POSITIF: Connected to pin2 of Rocker Switch
• NEGATIF: Connected to - of 9V Battery

Grove EMG Sensor

• GND: Connected to GND of Arduino UNO
• VCC: Connected to 5V of Arduino UNO
• VOUT: Connected to A0 of Arduino UNO

Documented Code

Arduino UNO Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Documentation (documentation.txt)

This documentation provides a comprehensive overview of the circuit, including a detailed list of components, wiring details, and the code used in the Arduino UNO microcontroller.